Gallia County Population 2018

Gallia County's estimated population is 29,973 with a growth rate of -0.08% in the past year according to the most recent United States census data. Gallia County is the 73rd largest county in Ohio.

Year Population Growth Growth Rate
201729,973-23-0.08%
201629,996-87-0.29%
201530,083-264-0.87%
201430,347-268-0.88%
201330,615-254-0.82%
201230,869-156-0.50%
201131,025-52-0.17%
201031,0771230.40%
199030,9548562.84%
198030,0984,85919.25%
197025,239-881-3.37%
196026,1201,2104.86%
195024,910-20-0.08%
194024,9301,8808.16%
193023,050-261-1.12%
192023,311-2,434-9.45%
191025,745-2,173-7.78%
190027,9189133.38%
189027,005-1,119-3.98%
188028,1242,57910.10%
187025,5453,50215.89%
186022,0434,98029.19%
185017,0633,61926.92%
184013,4443,71138.13%
18309,7332,63537.12%
18207,0982,91769.77%
18104,1810.00%

Gallia County Population Growth

Population Data via

Gallia County Race Data

Race Population Percentage
White28,49195.06%
Black or African American7772.59%
Two or More Races5261.75%
Asian1830.61%
American Indian and Alaska Native1310.44%
Native Hawaiian and Other Pacific Islander20.01%

Gallia County Population Pyramid

0k0k0k1k1k1k1k Male Population0k0k0k1k1k1k1k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990